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Share Capital - Summary of Outstanding Warrants (Details)
 12 Months Ended
Dec. 31, 2017
CAD ($)
year
shares
Dec. 31, 2016
shares
Dec. 31, 2015
shares
Disclosure of classes of share capital [line items]      
Share capital issued, beginning (shares) 121,258,222    
Share capital issued ending (shares) 141,805,722 121,258,222  
Weighted average remaining contractual life of outstanding share options | year 7.09    
Warrants      
Disclosure of classes of share capital [line items]      
Exercise Price | $ $ 0.95    
Share capital issued, beginning (shares) 0 0 0
Issued (shares) 16,445,000    
Share capital issued ending (shares) 16,445,000 0 0
Weighted average remaining contractual life of outstanding share options 4.42